diff options
Diffstat (limited to 'gdb/gnulib')
| -rw-r--r-- | gdb/gnulib/aclocal.m4 | 1 | ||||
| -rw-r--r-- | gdb/gnulib/config.in | 7 | ||||
| -rw-r--r-- | gdb/gnulib/configure | 248 | ||||
| -rw-r--r-- | gdb/gnulib/import/Makefile.am | 11 | ||||
| -rw-r--r-- | gdb/gnulib/import/Makefile.in | 15 | ||||
| -rw-r--r-- | gdb/gnulib/import/lstat.c | 97 | ||||
| -rw-r--r-- | gdb/gnulib/import/m4/gnulib-cache.m4 | 3 | ||||
| -rw-r--r-- | gdb/gnulib/import/m4/gnulib-comp.m4 | 9 | ||||
| -rw-r--r-- | gdb/gnulib/import/m4/lstat.m4 | 73 | ||||
| -rw-r--r-- | gdb/gnulib/update-gnulib.sh | 1 |
10 files changed, 386 insertions, 79 deletions
diff --git a/gdb/gnulib/aclocal.m4 b/gdb/gnulib/aclocal.m4 index 2a4b3b3..f348e63 100644 --- a/gdb/gnulib/aclocal.m4 +++ b/gdb/gnulib/aclocal.m4 @@ -1043,6 +1043,7 @@ m4_include([import/m4/locale-fr.m4]) m4_include([import/m4/locale-ja.m4]) m4_include([import/m4/locale-zh.m4]) m4_include([import/m4/longlong.m4]) +m4_include([import/m4/lstat.m4]) m4_include([import/m4/math_h.m4]) m4_include([import/m4/mbrtowc.m4]) m4_include([import/m4/mbsinit.m4]) diff --git a/gdb/gnulib/config.in b/gdb/gnulib/config.in index e97a5f4..97928d9 100644 --- a/gdb/gnulib/config.in +++ b/gdb/gnulib/config.in @@ -52,6 +52,9 @@ /* Define to 1 when the gnulib module frexpl should be tested. */ #undef GNULIB_TEST_FREXPL +/* Define to 1 when the gnulib module lstat should be tested. */ +#undef GNULIB_TEST_LSTAT + /* Define to 1 when the gnulib module mbrtowc should be tested. */ #undef GNULIB_TEST_MBRTOWC @@ -943,6 +946,10 @@ /* Define as the word index where to find the exponent of 'long double'. */ #undef LDBL_EXPBIT0_WORD +/* Define to 1 if 'lstat' dereferences a symlink specified with a trailing + slash. */ +#undef LSTAT_FOLLOWS_SLASHED_SYMLINK + /* Define to a substitute value for mmap()'s MAP_ANONYMOUS flag. */ #undef MAP_ANONYMOUS diff --git a/gdb/gnulib/configure b/gdb/gnulib/configure index d75a2c5..a8bb901 100644 --- a/gdb/gnulib/configure +++ b/gdb/gnulib/configure @@ -694,39 +694,6 @@ HAVE__BOOL GL_GENERATE_STDBOOL_H_FALSE GL_GENERATE_STDBOOL_H_TRUE STDBOOL_H -REPLACE_UTIMENSAT -REPLACE_STAT -REPLACE_MKNOD -REPLACE_MKFIFO -REPLACE_MKDIR -REPLACE_LSTAT -REPLACE_FUTIMENS -REPLACE_FSTATAT -REPLACE_FSTAT -HAVE_UTIMENSAT -HAVE_MKNODAT -HAVE_MKNOD -HAVE_MKFIFOAT -HAVE_MKFIFO -HAVE_MKDIRAT -HAVE_LSTAT -HAVE_LCHMOD -HAVE_FUTIMENS -HAVE_FSTATAT -HAVE_FCHMODAT -GNULIB_UTIMENSAT -GNULIB_STAT -GNULIB_MKNODAT -GNULIB_MKNOD -GNULIB_MKFIFOAT -GNULIB_MKFIFO -GNULIB_MKDIRAT -GNULIB_LSTAT -GNULIB_LCHMOD -GNULIB_FUTIMENS -GNULIB_FSTATAT -GNULIB_FSTAT -GNULIB_FCHMODAT UNDEFINE_STRTOK_R REPLACE_STRTOK_R REPLACE_STRSIGNAL @@ -897,6 +864,39 @@ GNULIB_WCTOB GNULIB_BTOWC NEXT_AS_FIRST_DIRECTIVE_MATH_H NEXT_MATH_H +REPLACE_UTIMENSAT +REPLACE_STAT +REPLACE_MKNOD +REPLACE_MKFIFO +REPLACE_MKDIR +REPLACE_LSTAT +REPLACE_FUTIMENS +REPLACE_FSTATAT +REPLACE_FSTAT +HAVE_UTIMENSAT +HAVE_MKNODAT +HAVE_MKNOD +HAVE_MKFIFOAT +HAVE_MKFIFO +HAVE_MKDIRAT +HAVE_LSTAT +HAVE_LCHMOD +HAVE_FUTIMENS +HAVE_FSTATAT +HAVE_FCHMODAT +GNULIB_UTIMENSAT +GNULIB_STAT +GNULIB_MKNODAT +GNULIB_MKNOD +GNULIB_MKFIFOAT +GNULIB_MKFIFO +GNULIB_MKDIRAT +GNULIB_LSTAT +GNULIB_LCHMOD +GNULIB_FUTIMENS +GNULIB_FSTATAT +GNULIB_FSTAT +GNULIB_FCHMODAT LOCALCHARSET_TESTS_ENVIRONMENT GLIBC21 NEXT_AS_FIRST_DIRECTIVE_INTTYPES_H @@ -3090,6 +3090,7 @@ as_fn_append ac_header_list " stdint.h" as_fn_append ac_header_list " inttypes.h" as_fn_append ac_header_list " unistd.h" as_fn_append ac_func_list " symlink" +as_fn_append ac_func_list " lstat" as_fn_append ac_header_list " math.h" as_fn_append ac_func_list " mbsinit" as_fn_append ac_func_list " mbrtowc" @@ -3097,7 +3098,6 @@ as_fn_append ac_header_list " sys/mman.h" as_fn_append ac_func_list " mprotect" as_fn_append ac_header_list " sys/param.h" as_fn_append ac_func_list " readlink" -as_fn_append ac_func_list " lstat" as_fn_append ac_header_list " sys/stat.h" as_fn_append ac_header_list " sys/time.h" as_fn_append ac_header_list " features.h" @@ -5030,6 +5030,7 @@ fi # Code from module largefile: # Code from module localcharset: + # Code from module lstat: # Code from module math: # Code from module mbrtowc: # Code from module mbsinit: @@ -8875,6 +8876,106 @@ $as_echo "$ac_cv_gnu_library_2_1" >&6; } + GNULIB_FCHMODAT=0; + GNULIB_FSTAT=0; + GNULIB_FSTATAT=0; + GNULIB_FUTIMENS=0; + GNULIB_LCHMOD=0; + GNULIB_LSTAT=0; + GNULIB_MKDIRAT=0; + GNULIB_MKFIFO=0; + GNULIB_MKFIFOAT=0; + GNULIB_MKNOD=0; + GNULIB_MKNODAT=0; + GNULIB_STAT=0; + GNULIB_UTIMENSAT=0; + HAVE_FCHMODAT=1; + HAVE_FSTATAT=1; + HAVE_FUTIMENS=1; + HAVE_LCHMOD=1; + HAVE_LSTAT=1; + HAVE_MKDIRAT=1; + HAVE_MKFIFO=1; + HAVE_MKFIFOAT=1; + HAVE_MKNOD=1; + HAVE_MKNODAT=1; + HAVE_UTIMENSAT=1; + REPLACE_FSTAT=0; + REPLACE_FSTATAT=0; + REPLACE_FUTIMENS=0; + REPLACE_LSTAT=0; + REPLACE_MKDIR=0; + REPLACE_MKFIFO=0; + REPLACE_MKNOD=0; + REPLACE_STAT=0; + REPLACE_UTIMENSAT=0; + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether lstat correctly handles trailing slash" >&5 +$as_echo_n "checking whether lstat correctly handles trailing slash... " >&6; } +if test "${gl_cv_func_lstat_dereferences_slashed_symlink+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + rm -f conftest.sym conftest.file + echo >conftest.file + if test "$as_ln_s" = "ln -s" && ln -s conftest.file conftest.sym; then + if test "$cross_compiling" = yes; then : + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;; + esac + +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +struct stat sbuf; + /* Linux will dereference the symlink and fail, as required by + POSIX. That is better in the sense that it means we will not + have to compile and use the lstat wrapper. */ + return lstat ("conftest.sym/", &sbuf) == 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + gl_cv_func_lstat_dereferences_slashed_symlink=yes +else + gl_cv_func_lstat_dereferences_slashed_symlink=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + else + # If the 'ln -s' command failed, then we probably don't even + # have an lstat function. + gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" + fi + rm -f conftest.sym conftest.file + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_lstat_dereferences_slashed_symlink" >&5 +$as_echo "$gl_cv_func_lstat_dereferences_slashed_symlink" >&6; } + case "$gl_cv_func_lstat_dereferences_slashed_symlink" in + *yes) + +cat >>confdefs.h <<_ACEOF +#define LSTAT_FOLLOWS_SLASHED_SYMLINK 1 +_ACEOF + + ;; + esac + + GNULIB_BTOWC=0; @@ -9869,43 +9970,6 @@ $as_echo "$gl_cv_func_memmem_works_always" >&6; } - - GNULIB_FCHMODAT=0; - GNULIB_FSTAT=0; - GNULIB_FSTATAT=0; - GNULIB_FUTIMENS=0; - GNULIB_LCHMOD=0; - GNULIB_LSTAT=0; - GNULIB_MKDIRAT=0; - GNULIB_MKFIFO=0; - GNULIB_MKFIFOAT=0; - GNULIB_MKNOD=0; - GNULIB_MKNODAT=0; - GNULIB_STAT=0; - GNULIB_UTIMENSAT=0; - HAVE_FCHMODAT=1; - HAVE_FSTATAT=1; - HAVE_FUTIMENS=1; - HAVE_LCHMOD=1; - HAVE_LSTAT=1; - HAVE_MKDIRAT=1; - HAVE_MKFIFO=1; - HAVE_MKFIFOAT=1; - HAVE_MKNOD=1; - HAVE_MKNODAT=1; - HAVE_UTIMENSAT=1; - REPLACE_FSTAT=0; - REPLACE_FSTATAT=0; - REPLACE_FUTIMENS=0; - REPLACE_LSTAT=0; - REPLACE_MKDIR=0; - REPLACE_MKFIFO=0; - REPLACE_MKNOD=0; - REPLACE_STAT=0; - REPLACE_UTIMENSAT=0; - - - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdbool.h that conforms to C99" >&5 $as_echo_n "checking for stdbool.h that conforms to C99... " >&6; } if test "${ac_cv_header_stdbool_h+set}" = set; then : @@ -12640,6 +12704,48 @@ _ACEOF + if test $ac_cv_func_lstat = yes; then + + case "$gl_cv_func_lstat_dereferences_slashed_symlink" in + *no) + REPLACE_LSTAT=1 + ;; + esac + else + HAVE_LSTAT=0 + fi + + if test $REPLACE_LSTAT = 1; then + + + + + + + + + gl_LIBOBJS="$gl_LIBOBJS lstat.$ac_objext" + + : + fi + + + + + + GNULIB_LSTAT=1 + + + + + +$as_echo "#define GNULIB_TEST_LSTAT 1" >>confdefs.h + + + + + + diff --git a/gdb/gnulib/import/Makefile.am b/gdb/gnulib/import/Makefile.am index 635d62c..72d91ae 100644 --- a/gdb/gnulib/import/Makefile.am +++ b/gdb/gnulib/import/Makefile.am @@ -21,7 +21,7 @@ # the same distribution terms as the rest of that program. # # Generated by gnulib-tool. -# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca dirent dirfd errno fnmatch-gnu frexpl inttypes memchr memmem pathmax readlink strstr sys_stat unistd update-copyright wchar wctype-h +# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca dirent dirfd errno fnmatch-gnu frexpl inttypes lstat memchr memmem pathmax readlink strstr sys_stat unistd update-copyright wchar wctype-h AUTOMAKE_OPTIONS = 1.5 gnits @@ -443,6 +443,15 @@ EXTRA_DIST += config.charset ref-add.sin ref-del.sin ## end gnulib module localcharset +## begin gnulib module lstat + + +EXTRA_DIST += lstat.c + +EXTRA_libgnu_a_SOURCES += lstat.c + +## end gnulib module lstat + ## begin gnulib module math BUILT_SOURCES += math.h diff --git a/gdb/gnulib/import/Makefile.in b/gdb/gnulib/import/Makefile.in index 8ddfcbc..3d6c0e0 100644 --- a/gdb/gnulib/import/Makefile.in +++ b/gdb/gnulib/import/Makefile.in @@ -36,7 +36,7 @@ # the same distribution terms as the rest of that program. # # Generated by gnulib-tool. -# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca dirent dirfd errno fnmatch-gnu frexpl inttypes memchr memmem pathmax readlink strstr sys_stat unistd update-copyright wchar wctype-h +# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca dirent dirfd errno fnmatch-gnu frexpl inttypes lstat memchr memmem pathmax readlink strstr sys_stat unistd update-copyright wchar wctype-h @@ -94,6 +94,7 @@ am__aclocal_m4_deps = $(top_srcdir)/import/m4/00gnulib.m4 \ $(top_srcdir)/import/m4/locale-ja.m4 \ $(top_srcdir)/import/m4/locale-zh.m4 \ $(top_srcdir)/import/m4/longlong.m4 \ + $(top_srcdir)/import/m4/lstat.m4 \ $(top_srcdir)/import/m4/math_h.m4 \ $(top_srcdir)/import/m4/mbrtowc.m4 \ $(top_srcdir)/import/m4/mbsinit.m4 \ @@ -1032,10 +1033,11 @@ EXTRA_DIST = m4/gnulib-cache.m4 alloca.c alloca.in.h dirent.in.h \ fnmatch.c fnmatch.in.h fnmatch_loop.c fpucw.h frexp.c frexp.c \ frexpl.c inttypes.in.h float+.h isnan.c isnand-nolibm.h \ isnand.c float+.h isnan.c isnanl-nolibm.h isnanl.c \ - config.charset ref-add.sin ref-del.sin math.in.h mbrtowc.c \ - mbsinit.c mbsrtowcs-impl.h mbsrtowcs-state.c mbsrtowcs.c \ - memchr.c memchr.valgrind memmem.c str-two-way.h pathmax.h \ - readlink.c $(top_srcdir)/import/extra/snippet/arg-nonnull.h \ + config.charset ref-add.sin ref-del.sin lstat.c math.in.h \ + mbrtowc.c mbsinit.c mbsrtowcs-impl.h mbsrtowcs-state.c \ + mbsrtowcs.c memchr.c memchr.valgrind memmem.c str-two-way.h \ + pathmax.h readlink.c \ + $(top_srcdir)/import/extra/snippet/arg-nonnull.h \ $(top_srcdir)/import/extra/snippet/c++defs.h \ $(top_srcdir)/import/extra/snippet/warn-on-use.h stat.c \ stdbool.in.h stddef.in.h stdint.in.h streq.h string.in.h \ @@ -1079,7 +1081,7 @@ libgnu_a_LIBADD = $(gl_LIBOBJS) @ALLOCA@ libgnu_a_DEPENDENCIES = $(gl_LIBOBJS) @ALLOCA@ EXTRA_libgnu_a_SOURCES = alloca.c dirfd.c float.c itold.c fnmatch.c \ fnmatch_loop.c frexp.c frexp.c frexpl.c isnan.c isnand.c \ - isnan.c isnanl.c mbrtowc.c mbsinit.c mbsrtowcs-state.c \ + isnan.c isnanl.c lstat.c mbrtowc.c mbsinit.c mbsrtowcs-state.c \ mbsrtowcs.c memchr.c memmem.c readlink.c stat.c strstr.c charset_alias = $(DESTDIR)$(libdir)/charset.alias charset_tmp = $(DESTDIR)$(libdir)/charset.tmp @@ -1157,6 +1159,7 @@ distclean-compile: @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/isnanl.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/itold.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/localcharset.Po@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/lstat.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/math.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mbrtowc.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mbsinit.Po@am__quote@ diff --git a/gdb/gnulib/import/lstat.c b/gdb/gnulib/import/lstat.c new file mode 100644 index 0000000..97fe6bb --- /dev/null +++ b/gdb/gnulib/import/lstat.c @@ -0,0 +1,97 @@ +/* Work around a bug of lstat on some systems + + Copyright (C) 1997-2006, 2008-2012 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* written by Jim Meyering */ + +/* If the user's config.h happens to include <sys/stat.h>, let it include only + the system's <sys/stat.h> here, so that orig_lstat doesn't recurse to + rpl_lstat. */ +#define __need_system_sys_stat_h +#include <config.h> + +#if !HAVE_LSTAT +/* On systems that lack symlinks, our replacement <sys/stat.h> already + defined lstat as stat, so there is nothing further to do other than + avoid an empty file. */ +typedef int dummy; +#else /* HAVE_LSTAT */ + +/* Get the original definition of lstat. It might be defined as a macro. */ +# include <sys/types.h> +# include <sys/stat.h> +# undef __need_system_sys_stat_h + +static int +orig_lstat (const char *filename, struct stat *buf) +{ + return lstat (filename, buf); +} + +/* Specification. */ +/* Write "sys/stat.h" here, not <sys/stat.h>, otherwise OSF/1 5.1 DTK cc + eliminates this include because of the preliminary #include <sys/stat.h> + above. */ +# include "sys/stat.h" + +# include <string.h> +# include <errno.h> + +/* lstat works differently on Linux and Solaris systems. POSIX (see + "pathname resolution" in the glossary) requires that programs like + 'ls' take into consideration the fact that FILE has a trailing slash + when FILE is a symbolic link. On Linux and Solaris 10 systems, the + lstat function already has the desired semantics (in treating + 'lstat ("symlink/", sbuf)' just like 'lstat ("symlink/.", sbuf)', + but on Solaris 9 and earlier it does not. + + If FILE has a trailing slash and specifies a symbolic link, + then use stat() to get more info on the referent of FILE. + If the referent is a non-directory, then set errno to ENOTDIR + and return -1. Otherwise, return stat's result. */ + +int +rpl_lstat (const char *file, struct stat *sbuf) +{ + size_t len; + int lstat_result = orig_lstat (file, sbuf); + + if (lstat_result != 0) + return lstat_result; + + /* This replacement file can blindly check against '/' rather than + using the ISSLASH macro, because all platforms with '\\' either + lack symlinks (mingw) or have working lstat (cygwin) and thus do + not compile this file. 0 len should have already been filtered + out above, with a failure return of ENOENT. */ + len = strlen (file); + if (file[len - 1] != '/' || S_ISDIR (sbuf->st_mode)) + return 0; + + /* At this point, a trailing slash is only permitted on + symlink-to-dir; but it should have found information on the + directory, not the symlink. Call stat() to get info about the + link's referent. Our replacement stat guarantees valid results, + even if the symlink is not pointing to a directory. */ + if (!S_ISLNK (sbuf->st_mode)) + { + errno = ENOTDIR; + return -1; + } + return stat (file, sbuf); +} + +#endif /* HAVE_LSTAT */ diff --git a/gdb/gnulib/import/m4/gnulib-cache.m4 b/gdb/gnulib/import/m4/gnulib-cache.m4 index a8451ec..398468f 100644 --- a/gdb/gnulib/import/m4/gnulib-cache.m4 +++ b/gdb/gnulib/import/m4/gnulib-cache.m4 @@ -27,7 +27,7 @@ # Specification in the form of a command-line invocation: -# gnulib-tool --import --dir=. --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca dirent dirfd errno fnmatch-gnu frexpl inttypes memchr memmem pathmax readlink strstr sys_stat unistd update-copyright wchar wctype-h +# gnulib-tool --import --dir=. --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca dirent dirfd errno fnmatch-gnu frexpl inttypes lstat memchr memmem pathmax readlink strstr sys_stat unistd update-copyright wchar wctype-h # Specification in the form of a few gnulib-tool.m4 macro invocations: gl_LOCAL_DIR([]) @@ -39,6 +39,7 @@ gl_MODULES([ fnmatch-gnu frexpl inttypes + lstat memchr memmem pathmax diff --git a/gdb/gnulib/import/m4/gnulib-comp.m4 b/gdb/gnulib/import/m4/gnulib-comp.m4 index 525485a..288c07a 100644 --- a/gdb/gnulib/import/m4/gnulib-comp.m4 +++ b/gdb/gnulib/import/m4/gnulib-comp.m4 @@ -64,6 +64,7 @@ AC_DEFUN([gl_EARLY], # Code from module largefile: AC_REQUIRE([AC_SYS_LARGEFILE]) # Code from module localcharset: + # Code from module lstat: # Code from module math: # Code from module mbrtowc: # Code from module mbsinit: @@ -167,6 +168,12 @@ AC_DEFUN([gl_INIT], gl_LOCALCHARSET LOCALCHARSET_TESTS_ENVIRONMENT="CHARSETALIASDIR=\"\$(abs_top_builddir)/$gl_source_base\"" AC_SUBST([LOCALCHARSET_TESTS_ENVIRONMENT]) + gl_FUNC_LSTAT + if test $REPLACE_LSTAT = 1; then + AC_LIBOBJ([lstat]) + gl_PREREQ_LSTAT + fi + gl_SYS_STAT_MODULE_INDICATOR([lstat]) gl_MATH_H gl_FUNC_MBRTOWC if test $HAVE_MBRTOWC = 0 || test $REPLACE_MBRTOWC = 1; then @@ -407,6 +414,7 @@ AC_DEFUN([gl_FILE_LIST], [ lib/itold.c lib/localcharset.c lib/localcharset.h + lib/lstat.c lib/math.c lib/math.in.h lib/mbrtowc.c @@ -470,6 +478,7 @@ AC_DEFUN([gl_FILE_LIST], [ m4/locale-ja.m4 m4/locale-zh.m4 m4/longlong.m4 + m4/lstat.m4 m4/math_h.m4 m4/mbrtowc.m4 m4/mbsinit.m4 diff --git a/gdb/gnulib/import/m4/lstat.m4 b/gdb/gnulib/import/m4/lstat.m4 new file mode 100644 index 0000000..01b4eb9 --- /dev/null +++ b/gdb/gnulib/import/m4/lstat.m4 @@ -0,0 +1,73 @@ +# serial 26 + +# Copyright (C) 1997-2001, 2003-2012 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl From Jim Meyering. + +AC_DEFUN([gl_FUNC_LSTAT], +[ + AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) + dnl If lstat does not exist, the replacement <sys/stat.h> does + dnl "#define lstat stat", and lstat.c is a no-op. + AC_CHECK_FUNCS_ONCE([lstat]) + if test $ac_cv_func_lstat = yes; then + AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK]) + case "$gl_cv_func_lstat_dereferences_slashed_symlink" in + *no) + REPLACE_LSTAT=1 + ;; + esac + else + HAVE_LSTAT=0 + fi +]) + +# Prerequisites of lib/lstat.c. +AC_DEFUN([gl_PREREQ_LSTAT], [:]) + +AC_DEFUN([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK], +[ + dnl We don't use AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK any more, because it + dnl is no longer maintained in Autoconf and because it invokes AC_LIBOBJ. + AC_CACHE_CHECK([whether lstat correctly handles trailing slash], + [gl_cv_func_lstat_dereferences_slashed_symlink], + [rm -f conftest.sym conftest.file + echo >conftest.file + if test "$as_ln_s" = "ln -s" && ln -s conftest.file conftest.sym; then + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [AC_INCLUDES_DEFAULT], + [[struct stat sbuf; + /* Linux will dereference the symlink and fail, as required by + POSIX. That is better in the sense that it means we will not + have to compile and use the lstat wrapper. */ + return lstat ("conftest.sym/", &sbuf) == 0; + ]])], + [gl_cv_func_lstat_dereferences_slashed_symlink=yes], + [gl_cv_func_lstat_dereferences_slashed_symlink=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;; + esac + ]) + else + # If the 'ln -s' command failed, then we probably don't even + # have an lstat function. + gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" + fi + rm -f conftest.sym conftest.file + ]) + case "$gl_cv_func_lstat_dereferences_slashed_symlink" in + *yes) + AC_DEFINE_UNQUOTED([LSTAT_FOLLOWS_SLASHED_SYMLINK], [1], + [Define to 1 if 'lstat' dereferences a symlink specified + with a trailing slash.]) + ;; + esac +]) diff --git a/gdb/gnulib/update-gnulib.sh b/gdb/gnulib/update-gnulib.sh index 1260d39..40f557c 100644 --- a/gdb/gnulib/update-gnulib.sh +++ b/gdb/gnulib/update-gnulib.sh @@ -37,6 +37,7 @@ IMPORTED_GNULIB_MODULES="\ fnmatch-gnu \ frexpl \ inttypes \ + lstat \ memchr \ memmem \ pathmax \ |